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The VALUE COLLECTION R52001265 is a fully threaded hex head cap screw sized 5/8-11 x 5 inches, manufactured from Grade 2 steel with a zinc-plated finish. Designed to the ASME B18.2.1 standard and meeting ASTM A307 and SAE J429 specifications, this fastener delivers reliable clamping force in general-purpose structural and mechanical assemblies. The Unified National Coarse (UNC) thread form ensures broad hardware compatibility. The zinc plating provides a baseline level of corrosion resistance for indoor and sheltered outdoor applications. Weighing 0.43 pounds, it is sold individually and suited for high-volume job-site or shop use.
This cap screw is commonly used in light structural connections, equipment mounting, ductwork framing, plumbing support brackets, and general mechanical assembly across residential and light commercial construction. HVAC and plumbing tradespeople reach for Grade 2 zinc-plated fasteners when cost-effective, code-acceptable clamping is needed and exposure conditions do not demand stainless or higher-grade alloy hardware. The 5-inch length under the head accommodates thicker material stacks and through-bolt applications.
Designed as a general-purpose UNC hex head cap screw compatible with standard 5/8-11 threaded nuts, inserts, and tapped holes conforming to ASME B18.2.1 dimensional requirements.
Installation is performed by mechanical and general trades using standard combination wrenches, box wrenches, or 1/2-inch drive impact tools sized for a 15/16-inch hex. Confirm mating threads and hole clearances before assembly. Do not use zinc-plated fasteners in continuously wet or corrosive environments without additional protection. Follow applicable building or mechanical codes for minimum fastener grade requirements in structural applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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